koala vs Желтоголовая кваква

Phascolarctos cinereus compared with Nyctanassa violacea

Key Differences

• koala is Vulnerable while Желтоголовая кваква is Least Concern.

Taxonomic Classification

Rank	koala	Желтоголовая кваква
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Aves (птицы)
Order	Diprotodontia (двурезцовые сумчатые)	Pelecaniformes (пеликанообразные)
Family	Phascolarctidae (Koalas)	Ardeidae
Genus	Phascolarctos (Koalas)	Nyctanassa
Species	Phascolarctos cinereus	Nyctanassa violacea

Evolutionary Relationship

koala and Желтоголовая кваква share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Желтоголовая кваква

LC — Least Concern

Physical Characteristics

Attribute	koala	Желтоголовая кваква
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	75 cm	—
Average Weight	10.0 kg	—

Habitat & Geographic Range

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Желтоголовая кваква

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

koala

Iconic marsupial of eastern and southeastern Australia, koalas weigh up to 15 kg and spend up to 22 hours daily sleeping to conserve energy from their low-calorie eucalyptus leaf diet. Highly specialized to process toxic eucalyptus compounds that would kill most other mammals, they have gut microbiomes uniquely adapted for detoxification. Listed as Endangered in 2022, with populations decimated by chlamydia disease, habitat clearing, and climate change.

Желтоголовая кваква

Yellow-crowned Night-Heron (Nyctanassa violacea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.